AudioQuest Dragonfly Red v1.0 USB DAC with Jitterbug USB Data and Power Noise Filter Package with Dragontail USB 2.0 Extender for Android This bundle includes (1) AudioQuest Dragonfly, (1) AudioQuest Jitterbug and (1) AudioQuest DragonTail Extender USB StickSized DigitaltoAnalog Converter 32bit ESS 9016 DAC with minimumphase filter Reduces the noise and ringing from data and power lines of USB ports Signal Conductors Controlled for Digital Audio Directionality